JP6943421B2 - 接近検知装置 - Google Patents
接近検知装置 Download PDFInfo
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- JP6943421B2 JP6943421B2 JP2017112535A JP2017112535A JP6943421B2 JP 6943421 B2 JP6943421 B2 JP 6943421B2 JP 2017112535 A JP2017112535 A JP 2017112535A JP 2017112535 A JP2017112535 A JP 2017112535A JP 6943421 B2 JP6943421 B2 JP 6943421B2
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- magnetic field
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Description
Claims (2)
- 領域を区切るために使用される長手部材を含む接近検知装置であって、
前記長手部材は、少なくとも一方端部に外部設備に取り付け可能な取り付け部と、
前記長手部材に取り付け可能な本体ユニットと、を含み、
本体ユニットは、長手部材に沿ってその周囲に磁界を発生させるコイルに電流を供給する出力部と、
IDタグからの、前記磁界に応じて出力された信号を受ける受信部と、
前記受信部が前記IDタグからの信号を受けたとき、警報を発する警報手段と、を含み、
前記長手部材は、本体ユニットの所定の出力に対して前記磁界の出力が所定の範囲になるように予め整えるための、磁界発生装置を含み、
前記磁界発生装置は、長手方向に所定のピッチで巻かれたコイルの共振周波数を一定にするコンデンサの同調回路である、接近検知装置。 - 前記長手部材は、領域を区切るために使用されるコーンに取り付け可能なコーンバーである、請求項1に記載の接近検知装置。
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JP2017112535A JP6943421B2 (ja) | 2017-06-07 | 2017-06-07 | 接近検知装置 |
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JP2017112535A JP6943421B2 (ja) | 2017-06-07 | 2017-06-07 | 接近検知装置 |
Publications (2)
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JP2018205204A JP2018205204A (ja) | 2018-12-27 |
JP6943421B2 true JP6943421B2 (ja) | 2021-09-29 |
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JP2017112535A Active JP6943421B2 (ja) | 2017-06-07 | 2017-06-07 | 接近検知装置 |
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Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58106414U (ja) * | 1982-01-08 | 1983-07-20 | 森田電機株式会社 | 警報装置付コ−ン型表示器 |
US4967185A (en) * | 1989-08-08 | 1990-10-30 | Minnesota Mining And Manufacturing Company | Multi-directionally responsive, dual-status, magnetic article surveillance marker having continuous keeper |
US6288651B1 (en) * | 1997-06-30 | 2001-09-11 | William Souza | Portable roadway perimeter alarm |
JP2000090362A (ja) * | 1998-09-16 | 2000-03-31 | Seikosha:Kk | 車両進入警報システム |
JP2006011515A (ja) * | 2004-06-22 | 2006-01-12 | Mitsubishi Electric Corp | 入退場監視方法及び入退場監視装置、入退場監視システム |
JP4752640B2 (ja) * | 2006-06-27 | 2011-08-17 | パナソニック電工株式会社 | アクティブタグシステム |
JP5835577B2 (ja) * | 2012-01-12 | 2015-12-24 | 吉川工業株式会社 | 接近検知システム |
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